Tarrian's Soulcleaver
Herd Baloth
Umbral Collar Zealot

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Tarrian's Soulcleaver attached to Herd Baloth.
You have a way to put a +1/+1 counter on Herd Baloth.

   Steps

How does this combo work?
1
Put a +1/+1 counter on Herd Baloth.
2
Herd Baloth triggers, creating a 4/4 Beast creature token.
3
Activate Umbral Collar Zealot by sacrificing the Beast.
4
When the Beast dies, Tarrian's Soulcleaver triggers, putting a +1/+1 counter on Herd Baloth.
5
Herd Baloth triggers, creating a 4/4 Beast creature token.
6
Resolve the Umbral Collar Zealot ability, putting a +1/+1 counter on it.
7
Repeat from step 3.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite +1/+1 counters on Herd Baloth
Infinite surveil 1
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